Safety glasses are a special type of glasses, and the glasses used for different occasions are different. There are many types of protective glasses, such as dust-proof glasses, anti-shock glasses, anti-chemical glasses and anti-radiation glasses. Protective glasses, also known as labor insurance glasses, are divided into two categories: safety glasses and protective masks. The main purpose is to protect the eyes and face from electromagnetic waves such as ultraviolet rays, infrared rays and microwaves, dust, smoke, metal and gravel chips, and chemical solutions. Sputter damage.